Vehicle jack



Feb. 28, 1928. 1,660,603

a... E. ENGEL VEHICLE JACK Filed Aug. 2, 1926 2 Sheets-Sheet l gwuwnto'c Levi E. Engel Feb. 28, 1928.

v L. E. ENGEL VEHICLE JACK Filed Aug.2. 1926 2 Sheets-Sheet 2 Levi E. Engl I;UNITEDSTATES Patented Feb. 28, 192s LEVI: n. ENGEL, cranes; wasnrlve rorn 7 vEfiIcLEJAcK.

Applicationfiled August. 2,'1926f SeriaLNopHfiASSj 'Myinvention relates to vehicle jacks and consists of a jack havingtwo centrally piv- .oted horizontal bars insertible t one end' under the vehicle to be lifted, and provided 5 at their other end with means for separating thebars. Y

' a l The object of my invention is the produc- I tion of an'efiicient jack of simpleandf cheap construction, and one which is particularl.

10 adapted to being inserted under a rather ex-- tended projecting body or load. ,Another object is to produce a jack inwhijch .theioper .ation of the lever, whether upwardly or downwardly, reduces a lifting effect. Fur l5 ther objects will be disclosed by study of the following specification. V .7 v The accompanying drawings illustrate a preferred. embodiment of'my invention. I Figure 1 is a side view of the jack shown applied beneath the axle of a car.

Figure 2 is a section taken on the line 2+2 of Figure 1. Y

Figure 3 is a section throu h the casing taken at about the left hancf the direction of view being towards the left, or outwardly from the said post.

The type of jack upon which my invention operating end of the jack, and includes both the supporting dolly and themounting of the lower lever upon the said dolly. It also includes the mechanism mounted upon the notched or'toothed pillaror post, by which the end of the other lifting lever is raised.

As the construction and operation of the lifting levers 1 and 10 is the same as in said patent, a specific description of these is deemed unnecessary. These levers differ from those of said patent only in being bent slightly difierent at the ends which are connected with the toothed pillar or post 2.

The central lever 10 has two webs which embrace the lower end of the pillar 2, to which it is connected by a pivot pin 20. This pin is supported in lugs which depend from a frame 3, which frame also has a uiding socket 31 closely embracing the pilar body. Under-each end of the frame 3 is a caster wheel and frame, represented as a whole'by 32. This constructionas a whole 5 M face of the toothed pillar or post as shown in Figure 2,

is herein illustrated, is that shown in my or frame, is by notches. 42 in the lugs 54 on the frame.-

may be called a dolly, It permits free universal'movement of this end of the jack. It

also permits dropping the, opposite I lever; 10 between the s'idesofleverlj so asto permit: insertion of this end undera low connected by plates 52 positioned outwardly fr ely accommodate the terminal plates 41 of the lever base and the side arms 61 of the vdogs.

The frame or casing 5, towards its lower end has exteriorly projectinglugs 53 which are engaged by side opening notches of the two parts of leverl. Sufliciently aboveythe lug 53 at one side of the frame to accommodate lever 1 and to prevent disengagement,

-' is a lug 54 in which is journaled the axis of a dog shifting cam 7, which willlbe; later referred. to.

The dogs 6 in outline much resemble the letter U, upside down; The two flat side wings or arms-61 are connected'at their upper ends by a horizontal bar'60, which 9o is the/tooth engaging member. .The outline of the cooperating toothed post or pillar' is shown by broken lines in Figure 3. g

The dogs are pivoted to the side plates 41 of thelever base by complemental lugs and sockets at 62. These are situated at points The actuating or -power lever A is in Z a serted in or secured 'to what may be called a lever base 40, which asit hasbeen illustrated,- a has two terminal webs or' rplates' 41,'Which I 7 es and also accommodate the web's or'side' arms case orframe-ohas' it's up-- 76' pillar or supporting post 2. These endsare 1 i of the side faces of the post Qfenough to.

so related to" the pivot. between the lever base and'the'casing or frame 5,'th at as the lever is oscillated up and down, the dogs will i i be given opposite vertical movements, one rising to engage the next tooth of the ost while the other supportsthe load. The-cogs ere yieldingly'held towards the post, as by a cross-connecting spring 63. The pivoting of plates 41 of the lever jbase'to the casing Mounted for vertical adjustment upon 01' plates and" in the frame 5, isado-g-controlling cam f plate 8. spring 83 mounted upon a guide stem 82 tends to throwthis plate downwardly or towards the toothsengaging bars 60.

This plate cam inclines-81 upon its lower I i disk 7 is placed so as to engage-under a outer'corner s, adapted to. engage thecross v bars 60 ofthe-dogsto throw the dogsout- Wardly as they rise, thus preventing their ing orframe'5.

engaging the teeth 21 during thenpper portion of their range of vertical movement.

.In consequence of this, they will not enternal handle 70 the dog-controlling plate 8 7 is raised so that itLWill-not engage the dogs,:

thereby permitting their engaging the teeth ofthe pillar orlpost 2, and to raise the'cas- For, convenience in moving the jack aronndI provide a handle29 secured to-the upper end ofthe post2. V V

r The pivots 62 of thedogs being positioned one at each side (horizontally) of the'pivot 54 of the operating lever, both the upward and downward movement of the lever produces a lifting eifect upon the load-carrying frame 5. There is therefore, no IlOIl-WOIk-' ing movement in the lever 4.

' What I olaiin as my invention is: 1

A vehiclejack comprising two Centrally pivoted lifting levers extending in approx imately a horizontal direction, a dolly frame "Ls" f g having u orting Wheels under i ends ind depending lugs at each side of the center-of its lengtlr'and a post receivinghole andv guide between s'ald lugs, a toothed. post ex;

tendingupwardly through said guide; a V

pivot connecting said post and an end of one of the'li'fting levers Withsaid lngs oand} a progressivelifting means guidednon the post-and supporting the like end-of the otherlifting lever; v

Signed at Mineral, WVashington, this 26 day of July 1926,

:LE IEN L; I 

